Home / 900,031,503.60-1,356,793,171.02-840,035,134.08

Finding the Fourth Proportional to 900,031,503.60, 1,356,793,171.02 and 840,035,134.08

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Solution

The fourth proportional to 900,031,503.60, 1,356,793,171.02 and 840,035,134.08 is: 1,266,348,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,031,503.60 : 1,356,793,171.02 = 840,035,134.08 : x
  2. Step 2: Convert to fraction form
    900,031,503.60/1,356,793,171.02 = 840,035,134.08/x
  3. Step 3: Cross multiply
    900,031,503.60x = 1,356,793,171.02 × 840,035,134.08
  4. Step 4: Simplify right side
    900,031,503.60x = 1,139,753,933,336,614,144
  5. Step 5: Solve for x
    x = 1,139,753,933,336,614,144/900,031,503.60
  6. Step 6: Final answer
    x = 1,266,348,931.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.